Nailing machine



Oct. 2 1923.

J. C. PASHBY NAILING MACHINE Filed July 18. 1921 2 Sheets-Sheet 1 Oct. 2 1923.

J. c; PASHBY NAILING momma Filed July 18. 1921 2 Sheets-Sheet 2 a m m 4/ W Patented Get. 2,1923.

T r); s

' ane. PASHBY, or LYII1\T,'1VIASSACHUSETTS.

' narmne MAC NE;

Application fil ed m 18, 1921. Serial no. 485,526. d

To aZZ whom it may mm 7 Be it known that I, JoHN' C. PASHBY, a

citizen of the United States, residing in ?v Massachusetts, have invented an Improve.

Lynn, in the county of Essex and State of ment in l l ailing Machines, of which the fol-' lowing description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts. 'f

This'invention relates 'to a nailing in chine and is herein shown as embodied in amachine for nailing together theliftsof a heel for boots and shoes preparatory to attachlng the same totheboot or shoel The present invent on has for itsfob ect to'provide a nailing machine' of the character described, with which'the nails may be driven intoithe lifts at an acute angle tothe breast portion of-the lifts, so that the upper or pointed ends ofv the nail may 7 be directed away from the breast of. the

rough or unfinished heel, and so th'at in case the pointed end of the nail. is bent or deflected from a straight path and directed toward the breast portion of the heel, sufficient space is afforded for material deflection or bending of the free or pointed end of the nail without danger of bringing oted and provided with a curved upper surface,whose center {is the pivot of the throat.- I Provision is made for securing the throat in different angular positlons.

Provision is also inade for operating thedriver in all positions ofthe throat, as -will be described.

Thethroat may and-preferably will b'e constructed to prevent leakage of paste down through it, as will bedescribed. V The machinemay and preferably will be provided with an adjust'able'and yielding clamp or holding device for the assembled heel lifts, as will be described.

These and other :features of this invens tion'willi be pointed out in the claims at the end of the specification.

Fig. 1 is an elevation of a nailing embodying this invention. v V

.FigpQ, a detail in el'evationfof-the throat shown'in Fig.1. 1 1.

Fig. 3, a detail showing thethroat in'an machine inclined position; I 1. v V; H V

Fig. 4, a detail showingthe method of mounting the throat.

, igs. 5' and-6, details'of the.

clamps" for the heel lifts.

yamag ea,

. 9, a section of a portionofithe-ibejd with thethroat omitted. 1 f i v Referring to the drawings, a represents the table or bed of the machine, which is I -i supported upon .suitablestandards or legs 5. The bed a is provided 'onits underside, as hereinshown, with a curved recess: 10, which is-struck from a center12and extends I 13 therein, through whichextends'the curved upper surface 14 of a throat 15, see. .Figs.

2, 3 and 1, for a driver 16. The throat 15 in the present instance: is mounted to turn of the top clampfor if I the heel lifts,an d r 1 through the bed. to form an elongated slot i V or pivotupon center screws 17 carried by lugs l8 depending from the bed plate a, and extended through guide plates'lfidepending from the-bed plate and between'which the throat 15 is confined. capable of being turned on 'its' pivots 17 from a, substantially verticalj position shown in Figs. 1 and 2 into different inclined positions, one of whichis. shown in Fig.3, so as to present the bore 2010f the throat elther .1n a, vertical or a'n lnclin'ed position with relation to the upper surface, of the bed plate, and toe series of heel: lifts 21 The throat 15- is thus assembled upon the bedplate a above ;:the' 7 slot 13 therein. The bore 20 of .7 the throat 15. has extended up into it-:the driver 16 for the nails 22 employed tofasten the super:

iniposedheel lifts together to forniv an unfinished or rough heelwh-ich. is'to be applied to the boot or shoe, not shown,-and

finished in a .mannerv now-.comrnonlypracticed in shoe factories. The driven-l6 is extended into the bore 20 ofthe throat 15 andis "reciprocated' therein to drive a nail V at each reciprocation of. thefdriven,

In the present instance thedriver 16. is at;

tached to'a' reciprocating carrier, shown as a bar or rod 23" provided with rack teeth 24L, which are engaged with age-ar- 25,; also engaged with the teeth 26 of" a second rack loar 27 which is connected by a link-28 with a lever 29, pivoted at 30 to anarm 31 attached to a frame or support 32 for the rack bars '23, 27: and gear 25. The lever 29 is connected by a link 3% with a foot treadle 35 pivoted'at 36 to. a suitable support 37. The frame 32 issuspended from the pivoted throat, which is effected, as

shown, by providing the throat 15 with and 'the'riiec hanism carried thereby are operatively connected with the throat, and the latter maybe turned to present its bore into the desired inclined posit-ion with relat-ion to the-bedlp-late and' when thus positioned the throat of the support 32 may be;

fixed in the'seleeted position by means of a nut; d1 extend'edthrough thes'lotted curve 42 inthe ba r or arm eil-attached to one of theflegs Z). 7' I a By setting up the nut 41 the frame 32 an d the throat are fastened in; their adjusted inclined position.

hen the threat has been adjusted into the desired "inclined position with relation to the-heel lifts, the operator depresses the treadle 85' and effects movement of the driver 16 by means of the rack bars 27, 23,

and gear 25, to cause the driver to drive the nail 22 in the throat'ou't therefrom into the superimposed heel lifts 21 after the manner'represented in Fig. Y

The-heel lifts are'pasted together and as-- s'ernbled upon the bed plate over the opening 13, and are firmly held on the bed plate, which may be effected in anysuitable manner, and. in the present instance. is shown preferred construction of means for clamping-the li fts in position. on the bed plate;

To this end,'d evices are provided for en gaging the breast position, top'and side and rear portions of the superimposed lifts. The device for engaging the breast portion issho wn as an upright member 46 0f a plate 417, whichis fastened by screws 48 tofthe bed' plate a. The'top clamp is shown as a i plate 50 attached to a plunger or hollow spindle 51 extended up through a hollow boss or cylinjder 52, see Fig. 7, attached by anarm 53 to ahub 54 mounted to turn on a stud or pin 55 erected upon the bed plate 7 The plunger or-spindle 51 is normally elevated by asp ring 56'which bears'at its upper end-against a head 58011 the spindle and at its lower'end against-a collar 59 fixed racemes in the lower end of the hollowboss or cylinder 52 by a set screw 60. .The head 58 of the spindle carries a roller 16:) which is engaged by a cam lever 61' mounted on'a'pivot pin 62 between arms 63extended from the boss 52, aNorma-lly the lever 61 1s extended Vertically as shown 'in Figs, 7 and 8 and the spring-:56 elevates the clamping plate 50, but when the lever is turned into a l101l-' 'zontal position, the clamping plate 50 is lowered and firmly presses the heel lifts down onto the bedpla-te. The side and rear clamping devices are shown separately in Figs. 5 and (irandreach consists of an in-] clined strip or bar 65 suitably shaped toluengage the heel lifts and a straight stripior bar-166.

The" inclined bar or strip' 65 connected with one. or more plungers 37 located in cyl1nders68, wh1ch..are carried by an in 'clined arm 69'on a-bar 70 attached to the 1 bed plateaQ ,ln thiegpresent instance three cylinders'68- are carried by the inclined arm 69'and each contains a-spring gl, see Fig,

To prevent leakage-or a conical projection 77 on a cap 78 screwed upon the throat, said-cap and projection having a bore for the passage of the driver, and cooperating witlia packing 80 of felt or other-suitable material, which is pressed about the drivensee Fig. 3, sufficiently hard to effect a tight fit and prevent leakage of the paste down-through the throat. V

In Figs. 1 and 2 the throat 15 is arranged normal to'the'bed plate, and it. will be seen that if the nail 22should be driven into the heel lifts, with the throat in this position, the nail may lie-driven in a straight 6 whichbearsa ainst the lun -tart)? andf 7 t D 7 whose tension or pressure-is rcgulatedby a lpastejthrough the bore of the throat, the latter-is provided at. its lower endwitha recess '76, see Fig.3, preferably conical in form, which receives path substantially parallel with the, breast portion oftheheel lifts, but'is liable to have its free end bent or deflected toward vthe breast portion oftheheelhfts as indicated by the dotted line 90, inv which position, the i,

deflected nail is brought into the path of the knife employed to finish the breast portion of the heel, which is highly objection able,as the heels are ruined and the breast ing knifedama-gedI lnFig. 8, the throat is inclined away from the breast portion of deflected toward the breast portion of'the lifts without danger ofbeing brought into the path of the knife employed to trim the breast portion of the heel. Furthermore, if the deflection takes place, it would be more natural for the point to deflect toward the rear portion of the heel as inclicated by the dotted line '91, in which event ample room is afforded for such deflection. The top clamping member 50 is'capable of being swung in the arc of a circle with the stud or pin 55 as a center, when it is desired to place the heel lifts in position to be nailed, and also when it is desired to remove the heel lifts after they have been nailed together. Y

In the present instance the throat 15 is shown as pivoted so that it can be moved into different angular positions toenable different sizes of heels to be nailed ona single n'iachine, but'it is not desired to limit the invention in this respect, for in cases where the same'size of heels being used, the throat may be fixed in a permanently inclined position with relation to the bed and the breast of the lifts to be nailed.

I claim:

1. In a nailing machine of the character described, in combination, bed provided with a curved recess in its unuer surface e ttended to the top surface thereof to form therein a slot, a threat having a curved up 7 per surface conforming to the curvature of said recess, means 'for pivot/ally mounting move therewith.

3. In a nailing machine of the character described, in combination, a'bed plate pro vided with an opening through it, means for positioning a plurality of heel lift-sever said opening, a driver throat located below said bed plate and having its bore inclined at a suflicientlv acute angle to the'breast portion of said heel lifts, to prevent a nail driven from said throatfinto the heel lifts to be deflected to the breast surface thereof, a. driver cooperatlng with said throat, and

. means for operating said driver to drive a nail into said heel lifts at an angle to the breast portion of the latter and with its free end directed] away from said breast portion. V r j I. In a nailingima'chine" of the character described, in combination, a bed to support,

a plurality of heel lifts to be nailed, adri'ver. throat cooperating with said bed' and inclined at a; sufficiently acute angle to the breast portion of the heel lifts. to be nailed to prevent a nail driven fromsaic'l throat into the heel lifts" to-be deflected 'tothe 7Q breast surface thereof, a driverand meansfor operating thelatter. I r

5. In a nailing machine-of the character described, in combination, a bed plate, a V breastplate against which the breast portion of a plurality of heel lifts are positioned, clamping members to engage the sides and rear portion of the heel lifts and bodily movable independently 'of one another, yielding means for norm-ally moving said clamping members into position to beposition them plate so; engaged by the heel lifts, and means, for;

limiting themovement1of said clamping- 7 1 members by said yielding means toinitially Q i with. relation to said breast j 6. In a nailing machine of the character 3 described, in combination, a bed--plate,' a breast plate erected upon said bed plate, a

plurality of clamping members bodily movq J able independently of one another and cooperating with saidbreast plate forengaging a plurality of superimposed heel lifts and yielding means cooperating-with said clamping members forforcing the breast portion of said heel lifts against said breast plate, means for limitingthe'movement of said clamping members by said yielding members, a top clamping member to engage the uppermost heel lift, and means for moving said top clamping-member toward said bed plate.

7. In a nailing machine of the character described, in combination, a bed plate, 'a' breast plate erected upon said bed plate, a] plurality of clamping members bodily mov-' able independently of one another and co operating with said breast plate for engag I ing a plurality of superimposed heel lifts,

and ylelding means co-operating with said clamping members for forcing the. breast portion of said heel lifts against said breast plate, andmeans forlimiting the move-r ment of said clamping members by said yielding members. In testimony whereof, I have signed my name to this specification.

JOHN to. 'PASHBY., 

